Azeotropic Or Azeotropelike Composition Patents (Class 510/415)
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Patent number: 8999909Abstract: Provided are azeotropic or azeotrope-like mixtures of 1,1,1,3,3-pentachloro-propane (240fa) and hydrogen fluoride. Such compositions are useful as an intermediate in the production of HFC-245fa and HCFO-1233zd.Type: GrantFiled: February 23, 2012Date of Patent: April 7, 2015Assignee: Honeywell International Inc.Inventors: Daniel C. Merkel, Hsueh Sung Tung, Konstantin A. Pokrovski, Hang T. Pham, Ryan Hulse
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Patent number: 8858823Abstract: A composition based on 3,3,3-trifluoropropene and ammonia, and to the use thereof, especially as a heat transfer fluid. A heat-transfer composition including the composition based on 3,3,3-trifluoropropene and ammonia and also one or more additives chosen from lubricants, stabilizers, surfactants, tracers, fluorescers, odorant agents and solubilizers, and mixtures thereof. A process for heating or cooling a fluid or a body by means of a vapor compression circuit containing a heat-transfer fluid, said process successively including evaporation of the heat-transfer fluid, compression of the heat-transfer fluid, condensation of the heat fluid and depressurization of the heat-transfer fluid, in which the heat-transfer fluid is a composition based on 3,3,3-trifluoropropene and ammonia.Type: GrantFiled: March 9, 2012Date of Patent: October 14, 2014Assignee: Arkema FranceInventors: Wissam Rached, Jean-Christophe Boutier
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Patent number: 8791167Abstract: A composition including an effective amount of trans-1,3,3,3-tetrafluoropropene component combined with an effective amount of an alcohol selected from the group of methanol, ethanol, propanol, isopropanol, tert-butanol, isobutanol, 2-ethyl hexanol and any combination thereof, where the composition has azeotropic properties.Type: GrantFiled: February 13, 2012Date of Patent: July 29, 2014Assignee: Honeywell International Inc.Inventors: James M. Bowman, Rajiv R. Singh, David J. Williams, Hang T. Pham, Justin L. Becker
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Patent number: 8680037Abstract: Azeotropic or azeotrope-like compositions are disclosed. The azeotropic or azeotrope-like compositions are mixtures of Z-1,1,1,4,4,4-hexafluoro-2-butene with ethanol, 2-chloro-3,3,3-trifluoropropene, methanol, E-1,1,1,4,4,5,5,5-octafluoro-2-pentene, 2-bromo-3,3,3-trifluoropropene, methyl acetate, acetone, chloroform, n-hexane or 1-chloro-3,3,3-trifluoropropene. Also disclosed is a process of preparing a thermoplastic or thermoset foam by using such azeotropic or azeotrope-like compositions as blowing agents. Also disclosed is a process of producing refrigeration by using such azeotropic or azeotrope-like compositions. Also disclosed is a process of using such azeotropic or azeotrope-like compositions as solvents. Also disclosed is a process of producing an aerosol product by using such azeotropic or azeotrope-like compositions. Also disclosed is a process of using such azeotropic or azeotrope-like compositions as heat transfer media.Type: GrantFiled: June 2, 2010Date of Patent: March 25, 2014Assignee: E I du Pont de Nemours and CompanyInventor: Mark Robin
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Publication number: 20140048739Abstract: Provided are compositions, preferably azeotrope or azeotrope-like compositions comprised of 1,1,1,4,4,4-hexafluoro-2-butene and chlorotrifluoropropene, particularly 1-chloro-3,3,3-trifluoropropene (HCFO-1233zd), and uses thereof.Type: ApplicationFiled: November 25, 2010Publication date: February 20, 2014Applicant: Arkema FranceInventors: Wissam Rached, Laurent Abbas, Jean-Christophe Boutier
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Patent number: 8632703Abstract: Azeotropic or azeotrope-like compositions are disclosed. The azeotropic or azeotrope-like compositions are mixtures of E-1,1,1,4,4,5,5,5-Octafluoro-2-pentene with methyl formate, n-pentane, 2-methylbutane, 1,1,1,3,3-pentafluorobutane, trans-1,2-dichloroethylene, 1,1,1,3,3-pentafluoropropane, dimethoxymethane, cyclopentane or Z-1,1,1,4,4,4-hexafluoro-2-butene. Also disclosed is a process of preparing a thermoplastic or thermoset foam by using such azeotropic or azeotrope-like compositions as blowing agents. Also disclosed is a process of producing refrigeration by using such azeotropic or azeotrope-like compositions. Also disclosed is a process of using such azeotropic or azeotrope-like compositions as solvents. Also disclosed is a process of producing an aerosol product by using such azeotropic or azeotrope-like compositions as propellants. Also disclosed is a process of using such azeotropic or azeotrope-like compositions as heat transfer media.Type: GrantFiled: September 5, 2008Date of Patent: January 21, 2014Assignee: E I du Pont de Nemours and CompanyInventor: Mark L. Robin
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Patent number: 8623233Abstract: Azeotropic or azeotrope-like compositions are disclosed. The azeotropic or azeotrope-like compositions are mixtures of Z-1,1,1,4,4,4-hexafluoro-2-butene, trans-1,2-dichloroethylene and 1,1,1,3,3-pentafluorobutane. Also disclosed is a process of preparing a thermoplastic or thermoset foam by using such azeotropic or azeotrope-like compositions as blowing agents. Also disclosed is a process of producing refrigeration by using such azeotropic or azeotrope-like compositions. Also disclosed is a process of using such azeotropic or azeotrope-like compositions as solvents. Also disclosed is a process of producing an aerosol product by using such azeotropic or azeotrope-like compositions. Also disclosed is a process of using such azeotropic or azeotrope-like compositions as heat transfer media. Also disclosed is a process of extinguishing or suppressing a fire by using such azeotropic or azeotrope-like compositions. Also disclosed is a process of using such azeotropic or azeotrope-like compositions as dielectrics.Type: GrantFiled: January 10, 2011Date of Patent: January 7, 2014Assignee: E I du Pont de Nemours and CompanyInventors: Mark L. Robin, Joan Ellen Bartelt
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Patent number: 8518293Abstract: The present invention pertains to azeotropic and azeotrope-like compositions of the following three blends: 1. Trans-1,3,3,3-tetrafluoropropene (HFO-1234ze(E)), cis-1,3,3,3-tetrafluoropropene (HFO-1234ze(Z)) and hydrogen fluoride (HF); 2. HFO-1234ze(E), 1,1,1,3,3-pentafluoropropane (HFC-245fa) and HF; and 3. HFO-1234ze(Z), HFC-245fa and HF. These azeotropic and azeotrope-like compositions are useful as intermediates in the production of HFO-1234ze(E).Type: GrantFiled: September 3, 2010Date of Patent: August 27, 2013Assignee: Honeywell International Inc.Inventors: Ryan Hulse, Hang T. Pham, Rajiv Ratna Singh, Daniel C Merkel, Konstantin A. Pokrovski, Hsueh Sung Tung
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Patent number: 8497401Abstract: The invention is directed to a ternary azeotrope-like mixture consisting essentially of effective amounts of 1,1,1,3,3-pentafluoropropane, 1-chloro-3,3,3-trifluoropropene, and hydrogen fluoride.Type: GrantFiled: November 7, 2011Date of Patent: July 30, 2013Assignee: Honeywell International Inc.Inventors: Ryan Hulse, Rajiv Ratna Singh, Hsueh Sung Tung, Ian Shankland
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Patent number: 8492327Abstract: Provided are azeotrope-like compositions comprising difluoromethane and trifluoroiodomethane and uses thereof, including use in refrigerant compositions, refrigeration systems, blowing agent compositions, and aerosol propellants.Type: GrantFiled: April 23, 2012Date of Patent: July 23, 2013Assignee: Honeywell International Inc.Inventors: Rajiv R. Singh, Hang T. Pham, David P. Wilson
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Patent number: 8420585Abstract: The present invention relates to compositions comprising fluorinated olefins or fluorinated ketones, and at least one alcohol, halocarbon, hydrofluorocarbon, or fluoroether and combinations thereof. In one embodiment, these compositions are azeotropic or azeotrope-like. In another embodiment, these compositions are useful in cleaning applications as a degreasing agent or defluxing agent for removing oils and/or other residues from a surface.Type: GrantFiled: June 22, 2012Date of Patent: April 16, 2013Assignee: E I du Pont de Nemours and CompanyInventors: Barbara Haviland Minor, Melodie A. Schweitzer
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Patent number: 8410040Abstract: An azeotrope-like composition consisting essentially of 1,1,1,2,3-pentachloropropane and hydrogen fluoride is provided, as well as methods that involve such an azeotrope-like composition.Type: GrantFiled: October 28, 2009Date of Patent: April 2, 2013Assignee: Honeywell International Inc.Inventors: Hsueh S. Tung, Hang T. Pham, Rajiv R. Singh, Daniel C. Merkel
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Patent number: 8338355Abstract: There is provided an azeotrope or azeotrope-like composition containing (A) 1,1,2,2-tetrafluoro-1-methoxyethane and (B) a compound formed of at least one selected from the group consisting of (Z)-1-chloro-3,3,3-trifluoropropene, 2-bromo-3,3,3-trifluoropropene, and (E)-2-bromo-1,3,3,3-tetrafluoropropene.Type: GrantFiled: October 2, 2007Date of Patent: December 25, 2012Assignee: Central Glass Company, LimitedInventors: Akira Ishihara, Yasuo Hibino
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Patent number: 8262924Abstract: Azeotropic or azeotrope-like compositions are disclosed. The azeotropic or azeotrope-like compositions are mixtures of E-1,1,1,4,4,4-hexafluoro-2-butene with methyl formate, n-pentane, 2-methylbutane, trans-1,2-dichloroethylene, 1,1,1,3,3-pentafluoropropane, n-butane or isobutane. Also disclosed is a process of preparing a thermoplastic or thermoset foam by using such azeotropic or azeotrope-like compositions as blowing agents. Also disclosed is a process of producing refrigeration by using such azeotropic or azeotrope-like compositions. Also disclosed is a process of using such azeotropic or azeotrope-like compositions as solvents. Also disclosed is a process of producing an aerosol product by using such azeotropic or azeotrope-like compositions. Also disclosed is a process of using such azeotropic or azeotrope-like compositions as heat transfer media. Also disclosed is a process of extinguishing or suppressing a fire by using such azeotropic or azeotrope-like compositions.Type: GrantFiled: May 20, 2011Date of Patent: September 11, 2012Assignee: E I du Pont de Nemours and CompanyInventor: Mark L. Robin
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Patent number: 8247366Abstract: An azeotrope-like composition consisting essentially of 1,1,2,3-tetrachloropropene and hydrogen fluoride is provided, as well as methods that involve such an azeotrope-like composition.Type: GrantFiled: August 4, 2011Date of Patent: August 21, 2012Assignee: Honeywell International Inc.Inventors: Hsueh S. Tung, Hang T. Pham, Rajiv R. Singh, Daniel C. Merkel, Robert Johnson
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Patent number: 8222195Abstract: The present invention relates to compositions comprising fluorinated olefins or fluorinated ketones, and at least one alcohol, halocarbon, hydrofluorocarbon, or fluoroether and combinations thereof. In one embodiment, these compositions are azeotropic or azeotrope-like. In another embodiment, these compositions are useful in cleaning applications as a degreasing agent or defluxing agent for removing oils and/or other residues from a surface.Type: GrantFiled: September 20, 2011Date of Patent: July 17, 2012Assignee: E I du Pont de Nemours and CompanyInventors: Barbara Haviland Minor, Melodie A. Schweitzer
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Publication number: 20120157362Abstract: The present disclosure provides azeotropic and azeotrope-like compositions comprised of methylperfluoroheptene ethers and heptane. The present disclosure also provides for methods of use for the azeotropic and azeotrope-like compositions.Type: ApplicationFiled: July 29, 2011Publication date: June 21, 2012Applicant: E. I. DU PONT DE NEMOURS AND COMPANYInventors: JEFFREY P. KNAPP, Joan Ellen Bartelt
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Publication number: 20120157363Abstract: The present disclosure provides azeotropic and azeotrope-like compositions comprised of methylperfluoroheptene ethers and ethanol. The present disclosure also provides for methods of use for the azeotropic and azeotrope-like compositions.Type: ApplicationFiled: July 29, 2011Publication date: June 21, 2012Applicant: E. I. DU PONT DE NEMOURS AND COMPANYInventors: JEFFREY P. KNAPP, Joan Ellen Bartelt
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Patent number: 8163689Abstract: Provided are azeotrope-like compositions comprising difluoromethane and trifluoroiodomethane and uses thereof, including use in refrigerant compositions, refrigeration systems, blowing agent compositions, and aerosol propellants.Type: GrantFiled: December 15, 2008Date of Patent: April 24, 2012Assignee: Honeywell International Inc.Inventors: Rajiv R. Singh, Hang T. Pham, David P. Wilson
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Patent number: 8163197Abstract: The present invention relates to azeotropic or azeotrope-like compositions comprising a fluorinated olefin having the formula E- or Z—C3F7CH?CHC3F7, and at least one alcohol, halocarbon, hydrofluorocarbon, fluoroether, or alkanes and combinations thereof. In one embodiment, the one compound selected from the group consisting of alcohols, halocarbons, fluoroalkyl ethers, hydrofluorocarbons, alkanes is either methanol, ethanol, iso-propanol, n-propanol, trans-1,2-dichloroethylene, cis-1,2-dichloroethylene, n-propyl bromide, C4F9OCH3, C4F9OC2H5, HFC-43-10mee, HFC-365mfc, heptane, or combinations thereof. In another embodiment, these compositions are useful in cleaning applications as a degreasing agent or defluxing agent for removing oils and/or other residues from a surface.Type: GrantFiled: March 2, 2011Date of Patent: April 24, 2012Assignee: E.I. du Pont de Nemours and CompanyInventors: Melodie A. Schweitzer, Allen Capron Sievert, Joan Ellen Bartelt, Barbara Haviland Minor
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Patent number: 8114828Abstract: A composition including an effective amount of trans-1,3,3,3-tetrafluoropropene component combined with an effective amount of an alcohol selected from the group of methanol, ethanol, propanol, isopropanol, tert-butanol, isobutanol, 2-ethyl hexanol and any combination thereof, where the composition has azeotropic properties.Type: GrantFiled: April 16, 2007Date of Patent: February 14, 2012Assignee: Honeywell International Inc.Inventors: Jim M Bowman, David J Williams, Rajiv R Singh, Hang T Pham, Justin L Becker
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Patent number: 8101672Abstract: The invention pertains to azeotrope-like compositions of 1,1,2,3,3-pentafluoropropene (HFC-1225yc) and any one of 1,1,1,2-tetrafluoropropene (HFC-1234yf) or the Z-isomer of 1,1,1,2,3-pentafluoropropene (HFC-1225yeZ), and uses thereof, including use in refrigerant compositions, refrigeration systems, blowing agent compositions, and aerosol propellants.Type: GrantFiled: December 13, 2007Date of Patent: January 24, 2012Assignee: Honeywell International Inc.Inventors: Ryan J. Hulse, Hang T. Pham, Rajiv R. Singh
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Patent number: 8075797Abstract: The invention is directed to a ternary azeotrope-like mixture consisting essentially of effective amounts of 1,1,1,3,3-pentafluoropropane, 1-chloro-3,3,3-trifluoropropene, and hydrogen fluoride.Type: GrantFiled: January 25, 2010Date of Patent: December 13, 2011Assignee: Honeywell International Inc.Inventors: Ryan Hulse, Rajiv R. Singh, Hsueh S. Tung, Ian Shankland
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Patent number: 8066900Abstract: Azeotrope-like compositions comprising 1-bromopropane and 1,1,1,2,3,3-hexafluoro-3-methoxy-propane, and uses thereof, are described.Type: GrantFiled: December 2, 2008Date of Patent: November 29, 2011Assignee: 3M Innovative Properties CompanyInventor: John G. Owens
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Patent number: 8044010Abstract: The present invention relates to compositions comprising fluorinated olefins or fluorinated ketones, and at least one alcohol, halocarbon, hydrofluorocarbon, or fluoroether and combinations thereof. In one embodiment, these compositions are azeotropic or azeotrope-like. In another embodiment, these compositions are useful in cleaning applications as a degreasing agent or defluxing agent for removing oils and/or other residues from a surface.Type: GrantFiled: March 10, 2011Date of Patent: October 25, 2011Assignee: E. I. du Pont de Nemours and CompanyInventors: Barbara Haviland Minor, Melodie A. Schweitzer
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Patent number: 8044015Abstract: Disclosed are compositions and systems having utility in numerous situations, including in particular solvent cleaning systems, as well as refrigerant lubricants and/or compatibilizing agents, and to methods which utilize such compositions and systems. More particularly, the present invention in preferred aspects is directed to solvents, blowing agents, heat transfer fluids and compatibilizing agents comprising the compound 3-chloro-1,1,1,6,6,6-hexafluoro-2,4-hexadiene.Type: GrantFiled: March 12, 2010Date of Patent: October 25, 2011Assignee: Honeywell International Inc.Inventors: Robert C. Johnson, Hsueh Sung Tung
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Patent number: 8007677Abstract: Disclosed herein are azeotrope and near-azeotrope compositions comprising E-1,1,1,2,3-pentafluoropropene (E-HFC-1225ye) and hydrogen fluoride. The azeotrope and near-azeotrope compositions are useful in processes to produce and in processes to purify E-HFC-1225ye and/or Z-1,1,1,2,3-pentafluoropropene (Z-HFC-1225ye). Also disclosed are processes for the extractive distillation to separate E-HFC-1225ye from Z-HFC-1225ye.Type: GrantFiled: September 7, 2007Date of Patent: August 30, 2011Assignee: E.I. du Pont de Nemours and CompanyInventors: Jeffrey P. Knapp, Barry Asher Mahler, Velliyur Nott Mallikarjuna Rao
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Patent number: 8008243Abstract: An azeotrope-like composition consisting essentially of 1,1,2,3-tetrachloropropene and hydrogen fluoride is provided, as well as methods that involve such an azeotrope-like composition.Type: GrantFiled: October 28, 2009Date of Patent: August 30, 2011Assignee: Honeywell International Inc.Inventors: Hsueh S. Tung, Hang T. Pham, Rajiv R. Singh, Daniel C. Merkel, Robert Johnson
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Publication number: 20110163253Abstract: A process for making CHF?CFCF3 is disclosed. The process involves (a) reacting CCl2FCF2CF3 with H2 in the presence of a catalytically effective amount of hydrogenation catalyst to form CH2FCF2CF3; and (b) dehydrofluorinating CH2FCF2CF3 from (a) to form CHF?CFCF3. Also disclosed are compositions including CCl3CF2CF3 and HF, wherein the HF is present in an effective amount to form an azeotropic combination with the CCl3CF2CF3; and compositions including CCl2FCF2CF3 and HF, wherein the HF is present in an effective amount to form an azeotropic combination with the CCl2FCF2CF3.Type: ApplicationFiled: March 14, 2011Publication date: July 7, 2011Applicant: E. I. DU PONT DE NEMOURS AND COMPANYInventor: ALLEN CAPRON SIEVERT
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Patent number: 7972525Abstract: Azeotropic or azeotrope-like compositions are disclosed. The azeotropic or azeotrope-like compositions are mixtures of E-1,1,1,4,4,4-hexafluoro-2-butene with methyl formate, n-pentane, 2-methylbutane, trans-1,2-dichloroethylene, 1,1,1,3,3-pentafluoropropane, n-butane or isobutane. Also disclosed is a process of preparing a thermoplastic or thermoset foam by using such azeotropic or azeotrope-like compositions as blowing agents. Also disclosed is a process of producing refrigeration by using such azeotropic or azeotrope-like compositions. Also disclosed is a process of using such azeotropic or azeotrope-like compositions as solvents. Also disclosed is a process of producing an aerosol product by using such azeotropic or azeotrope-like compositions. Also disclosed is a process of using such azeotropic or azeotrope-like compositions as heat transfer media. Also disclosed is a process of extinguishing or suppressing a fire by using such azeotropic or azeotrope-like compositions.Type: GrantFiled: June 12, 2008Date of Patent: July 5, 2011Assignee: E. I. du Pont de Nemours and CompanyInventor: Mark L. Robin
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Patent number: 7972524Abstract: Azeotropic or azeotrope-like compositions are disclosed. The azeotropic or azeotrope-like compositions are mixtures of Z-1,1,1,4,4,4-hexafluoro-2-butene with methyl formate, pentane, 2-methylbutane, 1,1,1,3,3-pentafluorobutane, trans-1,2-dichloroethylene, 1,1,1,3,3-pentafluoropropane, dimethoxymethane, or cyclopentane. Also disclosed is a process of preparing a thermoplastic or thermoset foam by using such azeotropic or azeotrope-like compositions as blowing agents. Also disclosed is a process of producing refrigeration by using such azeotropic or azeotrope-like compositions. Also disclosed is a process of using such azeotropic or azeotrope-like compositions as solvents. Also disclosed is a process of producing an aerosol product by using such azeotropic or azeotrope-like compositions. Also disclosed is a process of using such azeotropic or azeotrope-like compositions as heat transfer media.Type: GrantFiled: April 28, 2008Date of Patent: July 5, 2011Assignee: E. I. du Pont de Nemours and CompanyInventor: Mark L. Robin
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Publication number: 20110147638Abstract: Azeotropic or azeotrope-like compositions are disclosed. The azeotropic or azeotrope-like compositions are mixtures of Z-1,1,1,4,4,4-hexafluoro-2-butene, trans-1,2-dichloroethylene and a third component. Also disclosed are compositions where the third component is cyclopentane, methanol, dimethyoxymethane, methyl formate or perfluoro ethyl isopropyl ketone. Also disclosed is a process of preparing a thermoplastic or thermoset foam by using such azeotropic or azeotrope-like compositions as blowing agents. Also disclosed is a process of producing refrigeration by using such azeotropic or azeotrope-like compositions. Also disclosed is a process of using such azeotropic or azeotrope-like compositions as solvents. Also disclosed is a process of producing an aerosol product by using such azeotropic or azeotrope-like compositions. Also disclosed is a process of using such azeotropic or azeotrope-like compositions as heat transfer media.Type: ApplicationFiled: June 25, 2010Publication date: June 23, 2011Applicant: E.I. DU PONT DE NEMOURS AND COMPANYInventors: Mark L. Robin, Joan Ellen Bartelt
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Patent number: 7927502Abstract: The present invention relates to compositions comprising fluorinated olefins or fluorinated ketones, and at least one alcohol, halocarbon, hydrofluorocarbon, or fluoroether and combinations thereof. In one embodiment, these compositions are azeotropic or azeotrope-like. In another embodiment, these compositions are useful in cleaning applications as a degreasing agent or defluxing agent for removing oils and/or other residues from a surface.Type: GrantFiled: July 22, 2010Date of Patent: April 19, 2011Assignee: E.I. du Pont de Nemours and CompanyInventors: Barbara Haviland Minor, Melodie A. Schweitzer
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Patent number: 7875657Abstract: The present invention relates to a composition based on trans-1,2-dichloroethylene. A subject-matter of the invention is more particularly a nonflammable composition comprising trans-1,2-dichloroethylene and at least two hydrofluorocarbons and its uses.Type: GrantFiled: November 11, 2009Date of Patent: January 25, 2011Assignee: Arkema FranceInventors: Laurent Latil, Vincent Enaux
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Publication number: 20100243943Abstract: Azeotropic or azeotrope-like compositions are disclosed. The azeotropic or azeotrope-like compositions are mixtures of E-1,1,1,4,4,5,5,5-Octafluoro-2-pentene with methyl formate, n-pentane, 2-methylbutane, 1,1,1,3,3-pentafluorobutane, trans-1,2-dichloroethylene, 1,1,1,3,3-pentafluoropropane, dimethoxymethane, cyclopentane or Z-1,1,1,4,4,4-hexafluoro-2-butene. Also disclosed is a process of preparing a thermoplastic or thermoset foam by using such azeotropic or azeotrope-like compositions as blowing agents. Also disclosed is a process of producing refrigeration by using such azeotropic or azeotrope-like compositions. Also disclosed is a process of using such azeotropic or azeotrope-like compositions as solvents. Also disclosed is a process of producing an aerosol product by using such azeotropic or azeotrope-like compositions as propellants. Also disclosed is a process of using such azeotropic or azeotrope-like compositions as heat transfer media.Type: ApplicationFiled: September 5, 2008Publication date: September 30, 2010Inventor: Mark L. Robin
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Patent number: 7786061Abstract: The present invention relates to compositions comprising fluorinated olefins or fluorinated ketones, and at least one alcohol, halocarbon, hydrofluorocarbon, or fluoroether and combinations thereof. In one embodiment, these compositions are azeotropic or azeotrope-like. In another embodiment, these compositions are useful in cleaning applications as a degreasing agent or defluxing agent for removing oils and/or other residues from a surface.Type: GrantFiled: October 9, 2009Date of Patent: August 31, 2010Assignee: E.I. du Pont de Nemours and CompanyInventors: Barbara Haviland Minor, Melodie A. Schweitzer
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Publication number: 20100200797Abstract: Azeotrope-like compositions comprising 1-bromopropane and 1,1,1,2,3,3-hexafluoro-3-methoxy-propane, and uses thereof, are described.Type: ApplicationFiled: December 2, 2008Publication date: August 12, 2010Inventor: John G. Owens
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Patent number: 7767638Abstract: Provided are azeotrope-like compositions comprising tetrafluoropropene and hydrofluorocarbons and uses thereof, including use in refrigerant compositions, refrigeration systems, blowing agent compositions, and aerosol propellants.Type: GrantFiled: April 29, 2005Date of Patent: August 3, 2010Assignee: Honeywell International Inc.Inventors: Rajiv R. Singh, Hang T. Pham, Gary Knopeck, David J. Williams
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Patent number: 7695635Abstract: An azeotropic or azeotrope-like composition comprising a mixture of methyl iodide, 1-chloro-3,3,3,-trifluoropropene, and optionally one or more of fluorocarbons and/or hydrofluorocarbons. The compositions are present as a gas, at temperatures of about 30° C. or below. The inventive compositions serve as a non-ozone-depleting gaseous fumigant which is useful in a variety of applications, in place of methyl bromide. These compositions serve as a drop-in replacement for gaseous methyl bromide, providing the benefits of a methyl iodide fumigant while also utilizing existing methyl bromide equipment.Type: GrantFiled: October 27, 2008Date of Patent: April 13, 2010Assignee: Honeywell International IncInventors: Rajiv R. Singh, Hang T. Pham, Andrew J. Poss
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Patent number: 7622053Abstract: The present invention relates to compositions comprising fluorinated olefins or fluorinated ketones, and at least one alcohol, halocarbon, hydrofluorocarbon, or fluoroether and combinations thereof. In one embodiment, these compositions are azeotropic or azeotrope-like. In another embodiment, these compositions are useful in cleaning applications as a degreasing agent or defluxing agent for removing oils and/or other residues from a surface.Type: GrantFiled: January 19, 2009Date of Patent: November 24, 2009Assignee: E.I. du Pont de Nemours and CompanyInventors: Barbara Haviland Minor, Melodie A. Schweitzer
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Patent number: 7605117Abstract: Provided are azeotrope-like compositions comprising tetrafluoropropene and pentafluoropropene and uses thereof, including use in refrigerant compositions, blowing agent compositions, foamable compositions, foams, sterilant compositions, sprayable compositions, and systems and methods using same.Type: GrantFiled: April 18, 2005Date of Patent: October 20, 2009Assignee: Honeywell International Inc.Inventors: David P. Wilson, Hang T. Pham, Rajiv R. Singh, Raymond H. Thomas, David Nalewajek
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Patent number: 7563384Abstract: Mixtures of heptafluorobutene with tetrafluoropropenes provide compositions that have boiling points within an acceptable range, have good chemical stability, low GWP and are preferably essentially non-flammable.Type: GrantFiled: July 28, 2006Date of Patent: July 21, 2009Assignee: Honeywell International Inc.Inventors: Raymond H. Thomas, Hang T. Pham, Rajiv R. Singh
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Patent number: 7544306Abstract: Azeotropic and azeotrope-like compositions of methyl iodide and at least one fluorocarbon or hydrofluorocarbon such as 1,1,1,3,3-pentafluoropropane (HFC-245fa). The compositions are present as a gas, at temperatures of about 30° C. or below. The inventive compositions serve as a non-ozone-depleting gaseous fumigant which is useful in a variety of applications, in place of methyl bromide. These compositions serve as a drop-in replacement for gaseous methyl bromide, providing the benefits of a methyl iodide fumigant while also utilizing existing methyl bromide equipment.Type: GrantFiled: February 16, 2007Date of Patent: June 9, 2009Assignee: Honeywell International Inc.Inventors: Andrew J. Poss, Rajiv R. Singh, Hang T. Pham
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Patent number: 7540973Abstract: Disclosed is an azeotrope-like composition comprising: from about 2% by weight to about 50% by weight of a hydrofluorocarbon selected from the group consisting of 1,1,1,2,2,3,4,5,5,5-decafluoropentane and 1,1,1,3,3-pentafluorobutane, from about 2% by weight to about 50% by weight 1,1,2,2,3,3,4-heptafluorocyclopentane, and an amount effective in dissolving oils and contaminants of trans-1,2-dichloroethylene. In another embodiment, are fluorocarbon solvent composition comprising from about 15 to about 99 weight percent 1,1,1,2,2,3,4,5,5,5-decafluoropentane and from about 85 to about 1 percent by weight 1,1,2,2,3,3,4-heptafluorocyclopentane wherein the freezing point of the composition is less than 0° C.Type: GrantFiled: December 7, 2007Date of Patent: June 2, 2009Assignee: E. I. du Pont de Nemours and CompanyInventor: Joan Ellen Bartelt
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Patent number: 7498296Abstract: The present invention relates to compositions comprising fluorinated olefins or fluorinated ketones, and at least one alcohol, halocarbon, hydrofluorocarbon, or fluoroether. In one embodiment, these compositions are azeotropic or azeotrope-like. In another embodiment, these compositions are useful in cleaning applications as a degreasing agent or defluxing agent for removing oils and/or other residues from a surface.Type: GrantFiled: February 28, 2007Date of Patent: March 3, 2009Assignee: E. I. DuPont de Nemours and CompanyInventors: Melodie A. Schweitzer, Allen Capron Sievert, Joan Ellen Bartelt, Barbara Haviland Minor
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Patent number: 7494603Abstract: The present invention relates to compositions comprising fluorinated olefins or fluorinated ketones, and at least one alcohol, halocarbon, hydrofluorocarbon, or fluoroether and combinations thereof. In one embodiment, these compositions are azeotropic or azeotrope-like. In another embodiment, these compositions are useful in cleaning applications as a degreasing agent or defluxing agent for removing oils and/or other residues from a surface.Type: GrantFiled: February 28, 2007Date of Patent: February 24, 2009Assignee: E. I. Du Pont de Nemours and CompanyInventors: Barbara Haviland Minor, Melodie A. Schweitzer
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Patent number: 7473716Abstract: Azeotrope-like compositions of 1,1,1,3,3-pentafluoropropane and at least one hydrocarbon selected from the group n-pentane, iso-pentane, cyclopentane, n-hexane and iso-hexane are provided. The compositions of the invention are useful in the preparation of polyurethane and polyisocyanurate foams.Type: GrantFiled: February 21, 2003Date of Patent: January 6, 2009Assignee: Honeywell International Inc.Inventors: Hilde Lund, legal representative, Robert Christian Parker, Ian Robert Shankland, Earl August Eugene Lund
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Patent number: 7468142Abstract: Composition comprising at least one hydrofluoroalkane and at least one fluoropolyether.Type: GrantFiled: November 7, 2001Date of Patent: December 23, 2008Assignee: Solvay S.A.Inventor: Pierre Dournel
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Patent number: 7449438Abstract: A method for improving the processability of foam premixes containing HFC and/or pentane-based blowing agents in polyols is provided, which method comprises adding trans-1,2-dichloroethylene to said premix in an amount effective to enhance said processability.Type: GrantFiled: August 23, 2006Date of Patent: November 11, 2008Assignee: Arkema Inc.Inventors: Jinhuang Wu, Laurent S. J. Caron
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Publication number: 20080045432Abstract: Azeotropic or azeotropic-like compositions of 1,1,1-trifluoroethane (HFC-143a) and 1-chloro-2,2,2-trifluoroethane (R-133a).Type: ApplicationFiled: August 17, 2006Publication date: February 21, 2008Inventors: Stephen A. Cottrell, Hang T. Pham, Rajiv R. Singh, Hseuhsung Tung